http://www.free-handwriting-analysis.com/archives/j-ritter.php

Note. if your on webtv you won't be able to see this whole page. its best
for computer users.

John could easily be the goofy, lovable, sometimes childish, womanizer Jack Tripper or the protective father, Paul Hennessy, trying to protect his teenage daughter from the Jack Tripper's of the world.

Whatever the part, John Ritter played it perfectly, whether in real life or on stage

true :)